/*
 * Copyright (c) 2009 DeledImporter
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'Pyro Games' nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software 
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.pyrogames.deled.math;

/**
 * Convenient representation of a 2D vector, generally
 * used for UV coordinates.
 * 
 * @author Nicholas Woodfield
 *
 */
public class DXSVector2f {
	/** x value of this vector */
	public float x;
	/** y value of this vector */
	public float y;
	/** id of this vector */
	public int vid;
	
	/**
	 * Default constructor, sets all values to zero.
	 */
	public DXSVector2f(){
		x = y = vid = 0;
	}
	
	/**
	 * Set the x, y values and set the id to zero
	 * 
	 * @param X
	 * 		x value of this vector
	 * @param Y
	 * 		y value of this vector
	 */
	public DXSVector2f(float X, float Y){
		x = X;
		y = Y;
		vid = 0;
	}
	
	/**
	 * Set the x, y, and id values
	 * 
	 * @param X
	 * 		x value of this vector
	 * @param Y
	 * 		y value of this vector
	 * @param VID
	 * 		id of this vector
	 */
	public DXSVector2f(float X, float Y, int VID){
		x = X;
		y = Y;
		vid = VID;
	}
	
	/**
	 * Copy values of this input vector to create
	 * a new vector.
	 * 
	 * @param v
	 * 		vector to copy
	 */
	public DXSVector2f(DXSVector2f v){
		x = v.x;
		y = v.y;
		vid = v.vid;
	}
	
	/**
	 * Copies the values of the input vector
	 * to this vector.
	 * 
	 * @param v
	 * 		vector to copy
	 * @return
	 * 		this vector
	 */
	public DXSVector2f set(DXSVector2f v){
		x = v.x;
		y = v.y;
		vid = v.vid;
		return this;
	}

}
